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CORR
2010
Springer
139views Education» more  CORR 2010»
14 years 4 months ago
Data Cleaning and Query Answering with Matching Dependencies and Matching Functions
Matching dependencies were recently introduced as declarative rules for data cleaning and entity resolution. Enforcing a matching dependency on a database instance identifies the ...
Leopoldo E. Bertossi, Solmaz Kolahi, Laks V. S. La...
CLEF
2005
Springer
14 years 11 months ago
The Query Answering System PRODICOS
In this paper, we present the PRODICOS query answering system which was developed by the TALN team from the LINA institute. We present the various modules constituting our system a...
Laura Monceaux, Christine Jacquin, Emmanuel Desmon...
SIGMOD
2009
ACM
125views Database» more  SIGMOD 2009»
15 years 9 months ago
Top-k queries on uncertain data: on score distribution and typical answers
Uncertain data arises in a number of domains, including data integration and sensor networks. Top-k queries that rank results according to some user-defined score are an important...
Tingjian Ge, Stanley B. Zdonik, Samuel Madden
ICEBE
2005
IEEE
168views Business» more  ICEBE 2005»
15 years 3 months ago
Frequency Operators for Condensative Queries over Data Streams
Over a traditional Database Management System (DBMS), the answer to an aggregate query is usually much smaller than the answer to a similar nonaggregate query. Therefore, we call ...
Lisha Ma, Werner Nutt
80
Voted
GLOBE
2009
Springer
15 years 2 months ago
Designing, Specifying and Querying Metadata for Virtual Data Integration Systems
Abstract. We show how to specify and use the metadata for a virtual and relational data integration system under the local-as-view (LAV) approach. We use XML and RuleML for represe...
Leopoldo E. Bertossi, Gayathri Jayaraman